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Finding the Fourth Proportional to 8,949.35, 12,350.34 and 4,970.84

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Solution

The fourth proportional to 8,949.35, 12,350.34 and 4,970.84 is: 6,859.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,949.35 : 12,350.34 = 4,970.84 : x
  2. Step 2: Convert to fraction form
    8,949.35/12,350.34 = 4,970.84/x
  3. Step 3: Cross multiply
    8,949.35x = 12,350.34 × 4,970.84
  4. Step 4: Simplify right side
    8,949.35x = 61,391,502.33
  5. Step 5: Solve for x
    x = 61,391,502.33/8,949.35
  6. Step 6: Final answer
    x = 6,859.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.